A novel time-frequency exciser in spread spectrum communications for chirp-like interference

Document Type

Conference Proceeding

Publication Date

12-1-1998

Abstract

A novel time-frequency exciser is developed for the removal of chirp-like interferences in direct sequence spread spectrum (DSSS) communications. The chirplet decomposition iteratively expands signals in terms of time-frequency localized waveforms. The interference signal components are highly correlated with chirplets, and are represented by a few of the highest energy components of the decomposition. These components are excised from the received signal, and an excised signal goes through a detector for a decision. The proposed time-frequency exciser outperforms the conventional Fourier transform based excisers for chirp-like interference classes. © 1998 IEEE.

Identifier

0031625716 (Scopus)

ISBN

[0780344286, 9780780344280]

Publication Title

ICASSP IEEE International Conference on Acoustics Speech and Signal Processing Proceedings

External Full Text Location

https://doi.org/10.1109/ICASSP.1998.679561

ISSN

15206149

First Page

3265

Last Page

3268

Volume

6

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